Results 31 to 40 of about 235,946 (314)

Analysis of Heat Exchange Performance of Heat Exchange Tubes of Evaporative Heat Exchanger Based on Fluent

open access: yesIOP Conference Series: Earth and Environmental Science, 2020
AbstractIn order to study the influence of the heat exchange tubes length of the evaporative heat exchanger on the heat exchange performance of the organic Rankine cycle technology (ORC) in automobile exhaust heat recovery, four kinds of three-layer tube heat exchange tube models with the length of 500mm, 800mm, 1100mm and 1400mm are designed by DM ...
Changting Li, Fan Bai, Fanghuai Gou
openaire   +1 more source

Synthesis of 3-arylphthalides with a quaternary carbon center via [4+1] cycloaddition of 2-carbonylcyclohexadienimines with isocyanides under metal-free conditions

open access: yesJournal of Saudi Chemical Society, 2020
Rapid synthesis of 3-arylphthalides with a quaternary carbon center has been achieved via a cascade [4+1] cycloaddition/nucleophilic 1,4-addition of 2-carbonylcyclohexadienimines with two molecules of isocyanides.
Zhihao Du, Qunjie Xu, Guangxin Gu
doaj   +1 more source

Experiment and simulation research on heat exchange of different types of underground heat exchangers

open access: yesShenzhen Daxue xuebao. Ligong ban, 2022
Compared with traditional bored pipe heat exchanger geothermal collection technology, the continuously optimized energy pile technology is more efficient and economical in the application of building energy-saving projects.
CHEN Zhi   +4 more
doaj   +1 more source

Effect of Carbon Nanoparticles on the Crystallization of Calcium Carbonate in Aqueous Solution

open access: yesNanomaterials, 2019
Nanofluids have great application prospects in industrial heat exchange systems because they can significantly improve the heat and mass transfer efficiency.
Chuan Wan   +3 more
doaj   +1 more source

Electrodeposition of Ni-Mo/TiO2 Nanocomposite Coatings on Low-Carbon Steels for Improving Corrosion Resistance

open access: yesInternational Journal of Electrochemical Science, 2020
In this paper, Ni-Mo/TiO2 nanocomposite coatings were successfully deposited from a modified ammonia-citrate bath containing TiO2 nanoparticles. Phase identifications and microstructural characterizations of the as-prepared coatings were obtained by X ...
Xinjing Meng   +5 more
doaj   +1 more source

Optimization on Scheduling for Cleaning Heat Exchangers in the Heat Exchanger Networks

open access: yesChemical Engineering Transactions, 2015
In the process at a plant that incorporating heat integration for energy recovery, fouling or formation of deposits on the heat exchanger often causes operational problems in production. Increasing the energy consumption resulted in higher operating expenses. Expenses can be reduced if the cleaning is done on a regular basis. Therefore, how to schedule
Licindo D., Handogo R., Sutikno J.P.
openaire   +2 more sources

Corrosion Inhibition Activity and Adsorption behavior of 3-Amino-1, 2, 4-Triazole on copper

open access: yesInternational Journal of Electrochemical Science, 2017
In this paper, a borax media was introduced to improve inhibition effect of 3-amino-1, 2, 4-triazole (ATA) towards the corrosion of copper in basic solution.
Yunxiao Wan   +5 more
doaj   +1 more source

Structure and Properties of Total-Heat Exchange Membranes for Energy Saving Heat Exchange Ventilation Processes

open access: yes, 2012
As complement to air conditioners, ventilation systems are playing important roles in keeping human health as well as saving energy. They improved indoor air quality by replacing inside polluted air with outside fresh air.
Shao, Anchun   +4 more
core   +1 more source

Corrosion Protection of 304 Stainless Steel Bipolar Plates of PEMFC by Coating SnO2 Film

open access: yesInternational Journal of Electrochemical Science, 2017
Tin oxide (SnO2) film was successfully coated on surface of austenite 304 stainless steels (304SS) by combining sol-gel dip-coating method with alcohol thermal method.
Linghui Yang   +5 more
doaj   +1 more source

Analysis of the heat exchange performance of PHC energy pile under cooling condition

open access: yesShenzhen Daxue xuebao. Ligong ban, 2022
To investigate the influence sequence of different factors on the heat exchange performance of precast high-strength concrete (PHC) energy pile, a three-dimensional numerical simulation model of PHC energy pile was established and the effects of various ...
TANG Hao   +3 more
doaj   +1 more source

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